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GB813565A - Improvements in or relating to tubular gas heaters and to tubular heating elements therefor - Google Patents

Improvements in or relating to tubular gas heaters and to tubular heating elements therefor

Info

Publication number
GB813565A
GB813565A GB22938/57A GB2293857A GB813565A GB 813565 A GB813565 A GB 813565A GB 22938/57 A GB22938/57 A GB 22938/57A GB 2293857 A GB2293857 A GB 2293857A GB 813565 A GB813565 A GB 813565A
Authority
GB
United Kingdom
Prior art keywords
tube
elements
gas
flow
strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB22938/57A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sulzer Escher Wyss AG
Original Assignee
Escher Wyss AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Escher Wyss AG filed Critical Escher Wyss AG
Publication of GB813565A publication Critical patent/GB813565A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/16—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
    • F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
    • F24H3/087—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/0052—Details for air heaters
    • F24H9/0057—Guiding means
    • F24H9/0063—Guiding means in air channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/12—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically the surrounding tube being closed at one end, e.g. return type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Gas Burners (AREA)

Abstract

813,565. Tubular heat exchange elements; gas heaters. ESCHER WYSS A.G. July 19, 1957 [July 20, 1956], No. 22938/57. Classes 64(1) and 64(3) A tubular heat exchange element comprises a tube 1 closed at one end and a helically twisted strip 2 of width equal to the inside diameter of the tube extending axially within the tube, the end of the strip being spaced by a gap 5 from the closed end of the tube whereby a gas entering the tube may be caused to flow along one side of the helical strip to the closed end of the tube and to return along the other side of the helical strip to the open end of the tube. External longitudinal fins 6 may be provided on the tube 1. Arrangements employing a plurality of such elements are described both for a series and parallel flow of gas through the elements. In a gas heater (Fig. 7), a number of the elements 1 are arranged in a combustion chamber 40, and extend in a direction transverse to the direction of flow of the combustion gases from a burner 41, the length of successive elements increasing -in the direction of gas flow as shown. The arrangement of elements 1 serves to protect from radiant heat, the convection surface 44 located downstream of the elements 1. A gas heater in which the elements 1 extend in a direction parallel to the direction of flow of the combustion gases is described.
GB22938/57A 1956-07-20 1957-07-19 Improvements in or relating to tubular gas heaters and to tubular heating elements therefor Expired GB813565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH813565X 1956-07-20

Publications (1)

Publication Number Publication Date
GB813565A true GB813565A (en) 1959-05-21

Family

ID=4538740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22938/57A Expired GB813565A (en) 1956-07-20 1957-07-19 Improvements in or relating to tubular gas heaters and to tubular heating elements therefor

Country Status (1)

Country Link
GB (1) GB813565A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005068926A1 (en) * 2004-01-15 2005-07-28 Pycos Engineering (Uk) Ltd. Enhanced radiant heat exchanger apparatus
WO2011003140A1 (en) * 2009-07-06 2011-01-13 Frederick Mark Webb Heat exchanger
US10132570B2 (en) 2009-07-06 2018-11-20 Frederick Mark WEBB Heat exchanger with multiple flow tubes for fluid circulation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005068926A1 (en) * 2004-01-15 2005-07-28 Pycos Engineering (Uk) Ltd. Enhanced radiant heat exchanger apparatus
US7503289B2 (en) 2004-01-15 2009-03-17 Pycos Engineering Ltd Enhanced radiant heat exchanger apparatus
WO2011003140A1 (en) * 2009-07-06 2011-01-13 Frederick Mark Webb Heat exchanger
US10132570B2 (en) 2009-07-06 2018-11-20 Frederick Mark WEBB Heat exchanger with multiple flow tubes for fluid circulation

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